Numbers k such that (9^k + 3^k + 1)/13 is prime.
A374105
Numbers k such that (9^k + 3^k + 1)/13 is prime.
Terms
- a(0) =2a(1) =5a(2) =7a(3) =11a(4) =541a(5) =1583a(6) =2713a(7) =2963a(8) =13831a(9) =22349a(10) =22669a(11) =23833a(12) =57287
External references
- oeis: A374105